using System;
using System.Collections.Generic;
using System.Text;

namespace NBusiness.Query
{
    public interface IExpression : IEvaluatable
    {
        IEvaluatable Left { get; set; }
        IEvaluatable Right { get; set; }

        IExpression And(IExpression evaluatable);
        IExpression Or(IExpression evaluatable);
    }
}
